@article{AIHPA_1989__51_3_265_0,
     author = {Ichinose, Takashi},
     title = {Essential selfadjointness of the {Weyl} quantized relativistic hamiltonian},
     journal = {Annales de l'I.H.P. Physique th\'eorique},
     pages = {265--297},
     publisher = {Gauthier-Villars},
     volume = {51},
     number = {3},
     year = {1989},
     mrnumber = {1034589},
     zbl = {0721.35059},
     language = {en},
     url = {http://www.numdam.org/item/AIHPA_1989__51_3_265_0/}
}